MX3114N TROUBLESHOOTING 7 – 17
F2-67
Toner supply operation trouble (Y)
F2-70
Improper toner cartridge detection (K)
F2-71
Improper toner cartridge detection (C)
F2-72
Improper toner cartridge detection (M)
F2-73
Improper toner cartridge detection (Y)
F2-74
Toner cartridge CRUM error (K)
F2-75
Toner cartridge CRUM error (C)
F2-76
Toner cartridge CRUM error (M)
F2-77
Toner cartridge CRUM error (Y)
Trouble content
Detail
PCU
Cause
Toner motor trouble.
Toner density sensor trouble.
Connector/harness trouble.
PCU PWB trouble.
Toner cartridge trouble.
Developing unit trouble.
Toner transport pipe section trouble
Check & Remedy
Replace the toner motor.
Replace the toner density sensor.
Connector and harness check.
Replace the PCU PWB.
Replace the toner cartridge.
Replace the developing unit.
Check the toner transport pipe section.
Trouble content
Detail
PCU
Cause
An improper toner cartridge is inserted. (The main
unit detects a toner cartridge of a different
specification.)
Toner cartridge trouble.
PCU PWB trouble.
Check & Remedy
Replace the toner cartridge.
Replace the PCU PWB.
Trouble content
Detail
PCU
Cause
An improper toner cartridge is inserted. (The main
unit detects a toner cartridge of a different
specification.)
Toner cartridge trouble.
PCU PWB trouble.
Check & Remedy
Replace the toner cartridge.
Replace the PCU PWB.
Trouble content
Detail
PCU
Cause
An improper toner cartridge is inserted. (The main
unit detects a toner cartridge of a different
specification.)
Toner cartridge trouble.
PCU PWB trouble.
Check & Remedy
Replace the toner cartridge.
Replace the PCU PWB.
Trouble content
Detail
PCU
Cause
An improper toner cartridge is inserted. (The main
unit detects a toner cartridge of a different
specification.)
Toner cartridge trouble.
PCU PWB trouble.
Check & Remedy
Replace the toner cartridge.
Replace the PCU PWB.
Trouble content
Detail
PCU
Cause
Toner cartridge (CRUM) trouble.
PCU PWB trouble.
Connector and harness trouble between PCU PWB
and toner cartridge
Check & Remedy
Replace the toner cartridge.
Replace the PCU PWB.
Check the connector and the harness between the
PCU PWB and the toner cartridge.
Trouble content
Detail
PCU
Cause
Toner cartridge (CRUM) trouble.
PCU PWB trouble.
Connector and harness trouble between PCU PWB
and toner cartridge
Check & Remedy
Replace the toner cartridge.
Replace the PCU PWB.
Check the connector and the harness between the
PCU PWB and the toner cartridge.
Trouble content
Detail
PCU
Cause
Toner cartridge (CRUM) trouble.
PCU PWB trouble.
Connector and harness trouble between PCU PWB
and toner cartridge
Check & Remedy
Replace the toner cartridge.
Replace the PCU PWB.
Check the connector and the harness between the
PCU PWB and the toner cartridge.
Trouble content
Detail
PCU
Cause
Toner cartridge (CRUM) trouble.
PCU PWB trouble.
Connector and harness trouble between PCU PWB
and toner cartridge
Check & Remedy
Replace the toner cartridge.
Replace the PCU PWB.
Check the connector and the harness between the
PCU PWB and the toner cartridge.